BirdAnalyst
Species · BCR 26 · BBS 2025 Release · 1966–2024

Little Blue Heron In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyWetland birds

Little Blue Heron in Mississippi Alluvial Valley has edged up: up 18% on the route-weighted index since 1968.

+18%Since 1968
62Routes In Region
58Years

Notable Signals

No notable trend signals for Little Blue Heron in Mississippi Alluvial Valley. See the full index history below.

Forecast

If the recent trend holds, Little Blue Heron in Mississippi Alluvial Valley is projected to rise about 82% by 2029 — from 6.2 in 2024 to a central estimate of 11 (95% range 0.00–23). A 5-year backtest shows a typical error of ±172.9%, with 100% of held-out values landing inside the 95% band.

+82%Change by 2029
11Projected 2029 index
0.00–2395% range
±172.9%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
2025110.0023
2026110.0023
2027110.0023
2028110.0023
2029110.0023

Routes In Mississippi Alluvial Valley

Routes recording Little Blue Heron in Mississippi Alluvial Valley.
RamahLOUISIANA702024
Panther Swamp NwrMISSISSIPPI352018
MayflowerLOUISIANA292024
BerwickLOUISIANA282018
AtchafalayaLOUISIANA172024
Morgan CityLOUISIANA151986
ShawLOUISIANA152024
TiptonvilleTENNESSEE141994
KraemerLOUISIANA132024
KeystoneLOUISIANA122013
Eagle LakeMISSISSIPPI122024
Delta N.F.MISSISSIPPI112021
GillettARKANSAS92024
FrogmoreLOUISIANA82024
KelsoARKANSAS72014
GibsonLOUISIANA72019
EudoraARKANSAS62016
AugustaARKANSAS61999
SaffellARKANSAS62009
Rayville 2LOUISIANA62024
Tchula 3MISSISSIPPI62024
UlmARKANSAS52022
WilsonARKANSAS51996
Augusta 2ARKANSAS52011
Morgan CityLOUISIANA52022

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.